vii
CONTENTS
3.10 Sensor Zeroing ................................................ 3-18
3.10.1 Instrument Will Not Zero - Zero Fault ......... 3-18
3.10.2 Instrument Will Not Zero - Gas Present ..... 3-20
3.11 Alarm Warning (CGI mode only) ...................... 3-21
3.12 Warm-up Complete .......................................... 3-22
3.13 Alarms (CSM mode only) ................................. 3-22
3.14 LEL / Vol Gas Range Selection (CGI mode only) ....
................................................................................. 3-23
3.15 Switch Pump OFF / ON (CGI mode only) ........ 3-23
3.16 Zero All Ranges (CGI mode only) .................... 3-23
3.17 Datalogging...................................................... 3-24
3.17.1 CSM Mode ................................................. 3-24
3.17.2 CGI Mode ................................................... 3-25
3.18 Max / Min Values ............................................. 3-25
3.19 Location (LOC) Selector .................................. 3-28
3.19.1 To select a location (LOC): ........................ 3-28
3.20 Acknowledge Alarms (CSM mode only)........... 3-30
3.21 Switch the instrument OFF .............................. 3-31
3.22 Button Operation Summary ............................. 3-32
ALARMS .............................................................. 4-1
4.1 Gas Alarms .......................................................... 4-1
4.1.1 FLAMMABLE (LEL) ALARMS ....................... 4-2
4.1.2 OXYGEN (O
2
) ALARMS ................................ 4-2
4.1.3 TOXIC ALARMS (e.g. CO) ........................... 4-3